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[aprssig] Please,standardize UTF-8 for APRS

Joel Maslak - N7XUC jmaslak-aprs at antelope.net
Thu Dec 17 14:04:06 UTC 2009

Will this change the preferred way of sending some characters like = ?

On Dec 16, 2009, at 5:30 PM, "Robert Bruninga" <bruninga at usna.edu>  

>> Currently APRS-1.0.1 protocol says:
>> For us that is completely inadequate.
> In cleaning up old email, there were hundreds of emails back in
> September on the topic of expanding the APRS spec to UTF-8 to
> include all other languages in text messaging.  In the hundreds
> of emails it is hard for me to remember the conclusion.
> But I have asked all authors to investigate and to date, no one
> that I can remember said that transmitting a non USA ASCII
> message in UTF-8 resulted in a failed packet.  Of course the
> text displayed gyberish on non-compatible systems, but at least
> they displayed that a "message" was received.  I expect gyberish
> in old systems, but we must identify broken packets that do not
> get parsed at all.
> So I have added to the APRS1.2 addendum that future systems may
> use UTF-8 in text message fields and STATUS fields or at least
> make sure that receipt of same does not break the packet for
> display in some form.  www.aprs.org/aprs12.html
> We need to find and document all existing clients and systems
> that fail a packet that contains UTF-8 text.  An example of a
> "failed" packet would be a POSITION packet that has a UTF-8
> text, and that text causes the client to ignore the POSITION.
> These such incompatibilities must be documented as we move on...
> Bob, WB4APR
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